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Finding the Fourth Proportional to 7,243.39, 10,859.95 and 3,731.89

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Solution

The fourth proportional to 7,243.39, 10,859.95 and 3,731.89 is: 5,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.39 : 10,859.95 = 3,731.89 : x
  2. Step 2: Convert to fraction form
    7,243.39/10,859.95 = 3,731.89/x
  3. Step 3: Cross multiply
    7,243.39x = 10,859.95 × 3,731.89
  4. Step 4: Simplify right side
    7,243.39x = 40,528,138.81
  5. Step 5: Solve for x
    x = 40,528,138.81/7,243.39
  6. Step 6: Final answer
    x = 5,595.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.